Oracle Inline Views
Version 11.2.0.3

Basic Inline View Select
Single Table SELECT <column_name_list>
FROM (
  <SELECT_statement>);
SELECT object_type, COUNT(*)
FROM all_objects
GROUP BY object_type;

SELECT object_type
FROM (
  SELECT object_type, COUNT(*)
  FROM all_objects
  GROUP BY object_type);

SELECT object_type
FROM (
  SELECT object_type, COUNT(*) OTCNT
  FROM all_objects
  GROUP BY object_type)
WHERE otcnt > 100;
 
Inline View with Join
Join In-line views SELECT <column_name_list>
FROM (
  <SELECT_statement>) <alias_1>
     (
  <SELECT_statement>) <alias_2>
WHERE alias_1.condition = alias_2.condition;
conn uwclass/uwclass

SELECT table_name, num_rows
FROM user_tables;

SELECT index_name, table_name
FROM user_indexes;

SELECT num_rows, index_name
FROM (SELECT table_name, num_rows
      FROM user_tables) a,
     (SELECT index_name, table_name
      FROM user_indexes) b
WHERE a.table_name = b.table_name(+);

Related Topics
Class Setup
SELECT Statement
WHERE Clause
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